Home / 159,625.38-220,272.93-88,005.90

Finding the Fourth Proportional to 159,625.38, 220,272.93 and 88,005.90

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Solution

The fourth proportional to 159,625.38, 220,272.93 and 88,005.90 is: 121,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,625.38 : 220,272.93 = 88,005.90 : x
  2. Step 2: Convert to fraction form
    159,625.38/220,272.93 = 88,005.90/x
  3. Step 3: Cross multiply
    159,625.38x = 220,272.93 × 88,005.90
  4. Step 4: Simplify right side
    159,625.38x = 19,385,317,450.29
  5. Step 5: Solve for x
    x = 19,385,317,450.29/159,625.38
  6. Step 6: Final answer
    x = 121,442.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.